
94
KH 8384-5 EN
Parameter lists
AI FB:
HI_PRI (27)
Read/write capability r/w; supported modes ALL
Behavior upon exceeding the high pre-alarm limit HI_LIM
•
[0] · The violation of the high pre-alarm limit is not analyzed.
•
1 · No notification upon violation of the high pre-alarm limit
•
2 · Reserved for block alarms
•
3 to 7 · The violation of the high pre-alarm limit is issued to notify the operator with the
corresponding priority: (3 = low, 7 = high)
•
8 to 15 · The violation of the high pre-alarm limit is issued as a critical alarm with the
corresponding priority: (8 = low, 15 = high)
AI FB:
IO_OPTS (13)
Storage class S; read/write capability r/w; supported modes O
LOW CUTOFF · The output is set to '0' at a value below LOW CUTOFF.
UNITS CONVERSION · Channel value is converted into the XD_SCALE unit.
AI FB:
L_TYPE (16)
Storage class S; read/write capability r/w; supported modes M/O
Determines whether the measured values from the AI Function Block can be directly used
(Direct), whether the value exist in different units and must be converted (Indirect) or
whether the square root must be calculated (Ind Sqr Root).
AI FB:
LO_ALM (35)
Read capability r
Alarm for the low pre-alarm limit (LO_LIM) including details on the date and time as well
as the value at which the alarm is triggered.
•
Unit of PV_SCALE
AI FB:
LO_LIM (30)
Read/write capability r/w; supported modes ALL
Alarm limit for the low pre-alarm LO_ALM
•
Range and unit of PV_SCALE, [–3402823466 x 10
38
]
If PV falls below this limit, the alarm state parameter LO_ALM is issued.
AI FB:
LO_LO_ALM (36)
Read capability r
Alarm for the low-low alarm limit (LO_LO_LIM) including details on the date and time as
well as the value at which the alarm is triggered.
•
Unit of PV_SCALE
Note:
Additionally, the active alarm can be confirmed manually in this parameter group.